US11877182B2 - Wireless communication method, terminal device and network device - Google Patents

Wireless communication method, terminal device and network device Download PDF

Info

Publication number
US11877182B2
US11877182B2 US17/340,872 US202117340872A US11877182B2 US 11877182 B2 US11877182 B2 US 11877182B2 US 202117340872 A US202117340872 A US 202117340872A US 11877182 B2 US11877182 B2 US 11877182B2
Authority
US
United States
Prior art keywords
threshold
duplication
condition
terminal device
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US17/340,872
Other languages
English (en)
Other versions
US20210297901A1 (en
Inventor
Hai Tang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from PCT/CN2019/082780 external-priority patent/WO2020118991A1/zh
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. reassignment GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TANG, HAI
Publication of US20210297901A1 publication Critical patent/US20210297901A1/en
Application granted granted Critical
Publication of US11877182B2 publication Critical patent/US11877182B2/en
Active legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/188—Time-out mechanisms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/189—Transmission or retransmission of more than one copy of a message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols

Definitions

  • Embodiments of the present application relate to the field of communication technologies and, in particular, to a wireless communication method, a terminal device and a network device.
  • the data duplication function is introduced to improve the transmission reliability of Ultra-Reliable and Low Latency Communication (URLLC) services.
  • carrier aggregation (CA) or dual connection (DC) can be used to realize a transmission of duplication.
  • PDCP Packet Data Convergence Protocol
  • RLC radio link control
  • Embodiments of the present application provide a wireless communication method, a terminal device and a network device, in a scenario where CA and DC are combined, one PDCP entity may use more than two RLC entities to transmit a duplication, thus avoiding using all RLC entities to transmit the duplication during the activation, reducing a waste of resources in the duplication transmission scenario, improving system resource utilization, and ensuring the transmission performance of services such as a URLLC service while ensuring the overall transmission performance of the system.
  • the present application may also be applied to a scenario where more than two RIX entities of more than two MAC entities or cell groups transmit a duplication, and may also be applied to a scenario where more than two RIX′: entities of the same MAC entity or cell group transmit a duplication.
  • the present application may also be applied to a scenario where one bearer corresponds to at least one PDCP entity.
  • a wireless communication method applied to a scenario where CA and DC are combined, including:
  • a granularity of the duplication transmission is any one of per UE, per service, per bearer, per QoS flow, and per data packet, or any one of at least one bearer, at least one data packet, at least one service, at least one QoS flow, and at least one UE.
  • the duplication ay be data in a URLLC service.
  • the method further includes:
  • a wireless communication method applied to a scenario where CA and DC are combined, including:
  • the peer end may be a device that communicates with the network device, for example, a terminal device.
  • a granularity of a duplication transmission is any one of per UE, per hearer, per QoS flow, and per data packet.
  • a data duplication of the peer end may be a data duplication for a URLLC service.
  • a terminal device for performing the method according to the first aspect or the method in various implementation manners according to the first aspect.
  • the terminal device includes a functional module for performing the method according to the first aspect or the method in various implementation manners according to the first aspect.
  • a network device for performing the method according to the second aspect or the method in various implementation manners according to the second aspect.
  • the network device includes a functional module liar performing the method according to the second aspect or the method in various implementation manners according to the second aspect.
  • a terminal device including a processor and a memory.
  • the memory is configured to store a computer program
  • the processor is configured to call and run the computer program stored in the memory to perform the method according to the first aspect or the method in various implementation manners according to the first aspect.
  • a network device including a processor and a memory.
  • the memory is configured to store a computer program
  • the processor is configured to call and run the computer program stored in the memory to perform the method according to the second aspect or the method in various implementation manners according to the second aspect.
  • the chip includes a processor for calling and running a computer program from a memory, so that the device installed with the chip executes the method in any one of the first aspect and the second aspect or the method in various implementation manners according to the first aspect and the second aspect.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in any one of the first aspect and the second aspect or the method in various implementation manners according to the first aspect and the second aspect.
  • a computer program product including a computer program instruction that cause a computer to perform the method in any one of the first aspect and the second aspect or the method in various implementation manners according to the first aspect and the second aspect.
  • a computer program that, when run on a computer, causes the computer to perform the method in any one of the first aspect and the second aspect or the method in various implementation manners according to the first aspect and the second aspect.
  • a terminal device determines whether to perform a duplication transmission, and/or, the terminal device determines whether to trigger a duplication transmission. Furthermore, in a case where the terminal device determines to perform the replication data transmission, a PDCP entity of the terminal device transmits a data packet that triggers the duplication transmission to at least one RLC entity, and/or at least one RLC entity among PDCP entities corresponding to the terminal device performs data transmission and/or reception of a data packet that triggers the duplication transmission, so that one PDCP entity may use at least one RLC entity to transmit the duplication, and/or, adopt methods for data duplication and/or duplication transmission with different granularities, thus avoiding using all RLC entities to transmit the duplication during the activation, reducing a waste of resources in the duplication transmission scenario, improving system resource utilization, and ensuring the transmission performance of services such as a. URLLC service while ensuring the overall
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of implementing a transmission of duplication by a combination of CA and DC according to an embodiment of the present application
  • FIG. 3 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic flowchart of another wireless communication method according to an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a terminal device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a network device according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a communication device according to an embodiment of the present application:
  • FIG. 8 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 9 is a schematic block diagram of a communication system according to an embodiment of the present application.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LIE long term evolution
  • LIE-A advanced long term evolution
  • NR new radio
  • LTE-U LIE-based access to unlicensed spectrum
  • NR-U NR-based access to unlicensed spectrum
  • UNITS universal mobile telecommunication system
  • WLAN wireless local area network
  • WiFi wireless fidelity
  • D2D device to device
  • M2M machine to machine
  • MTC machine type communication
  • V2V vehicle to vehicle
  • a communication system in an embodiment of the present application can be applied to a carrier aggregation (CA) scenario, can also be applied to a dual connectivity (DC) scenario, and can also be applied to a standalone (SA) network deployment scenario.
  • CA carrier aggregation
  • DC dual connectivity
  • SA standalone
  • Embodiments of the present application does not limit the applied frequency spectrum.
  • the embodiments of the present application can be applied to a licensed spectrum or an unlicensed spectrum.
  • the communication system 100 may include a network device 110 , which may be a device that communicates with a terminal device 120 for referred to as a communication terminal, a terminal).
  • the network device 110 can provide communication coverage for a specific geographical area, and can communicate with the terminal device located in the coverage area.
  • FIG. 1 exemplarily shows one network device and two terminal devices.
  • the communication system 100 may include a plurality of network devices and other number of terminal devices may be included in the coverage area of each network device, which is not limited by the embodiment of the present application.
  • the communication system 100 may further include other network entities such as a network controller, a mobility management entity, etc., which is not limited by the embodiment of the present application.
  • the communication device may include a network device 110 and a terminal device 120 with communication functions, and the network device 110 and the terminal device 120 may be the specific devices described above and will not be described in detail herein.
  • the communication device may also include other devices in the communication system 100 , such as network controllers, mobility management entities and other network entities, which are not limited in the embodiment of the present application.
  • a terminal device with a network device
  • the terminal device may also be referred to as a user device, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile unit, a remote station, a remote terminal, a mobile device, a user terminal a terminal, a wireless communication device, a user agent or a user apparatus, etc.
  • the terminal device may be a station (ST) in a MAN, which may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication functions, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a next generation communication network. (such as a NR network) or a terminal device in a future evolved public land mobile network (PLMN), etc.
  • ST station
  • MAN which may be a cellular phone, a cordless phone, a session initiation protocol (SIP) phone, a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication functions, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a terminal device in a next generation communication network. (such as a
  • a terminal device may also be a wearable device.
  • the wearable device may also be referred as a wearable smart device, which is a general term far wearable devices which are intelligently designed and developed by applying wearable technologies on daily wears, such as glasses, gloves, watches, clothing and shoes.
  • the wearable device is a portable device which may be directly worn on the body or integrated into clothes or an accessory of a user.
  • the wearable device is not only a hardware device, but can also realize powerful functions by virtue of software support, data interaction, and cloud interaction.
  • Generalized wearable smart devices include full-featured and large-sized devices, on which complete or partial functions can be achieved without relying on smart phones, such as smart watches or smart glasses, and also include devices which simply focus on a certain type of applications and need to cooperate with another devices (e.g. smart phones), such as various smart bracelets and smart jewelry for vital sign monitoring.
  • the network device may be a device which can communicate with the terminal device, and the network device may be an access point (AP) in a MAN, a base transceiver station (BTS) in GSM or CDMA, a NodeB (NB) in WCDMA, or an evolutional NodeB (eNB or eNodeB) in LTE, or a relay station, an access point, or a vehicle-mounted device, a wearable device, a network device (eNB) in a NR network or a network device in a future evolved PLMN, etc.
  • AP access point
  • BTS base transceiver station
  • NB NodeB
  • eNB evolutional NodeB
  • LTE Long Term Evolutional NodeB
  • the network device provides service for a cell
  • the terminal device communicates with the network device through a transmission resource (e.g., a frequency domain resource, or a spectrum resource) used by the cell.
  • the cell may be a cell corresponding to the network device (e.g. a base station), and the cell may belong to a macro base station or a base station corresponding to a small cell, where such small cell may include: a metro cell, a micro cell, a pica cell, a femto cell, etc., and such small cell has the characteristics of small coverage and low transmission power, which is suitable for providing high-speed data transmission services.
  • the solution supporting data duplication transmission utilizes a PDCP duplication function in such a way that a duplicated PDCP protocol data unit (PDU) is transmitted to two RLC entities (two different logical channels) respectively, and finally ensuring that the duplicated PDCP PDU can be transmitted on aggregated carriers of different physical layers, so as a frequency diversity gain can be achieved to improve data transmission reliability.
  • the solution supporting data duplication transmission utilizes the PDCP duplication function in such a way that the duplicated PDCP PDU is transmitted to two RLC entities respectively, where the two RLC entities correspond to different MAC entities.
  • a transmission of duplicated data may be realized by a combination of CA and DC.
  • SDU PDCP service data unit
  • PDCP duplication function it enables a CA PDCP PDU to be transmitted to an RLC entity a, and a duplicated CA PDCP PDU is transmitted to an RLC entity in the DC scenario, by using the configured.
  • PDCP duplication function it enables a DC PDCP PDU to be transmitted to an RLC entity h, and a duplicated DC PDCP PDU is transmitted to an RLC entity c.
  • the RLC entity a and the RLC entity b are mapped to a media access control (MAC) entity X
  • the RLC entity c and the RLC entity d are mapped to a MAC entity Y
  • the MAC entity X is mapped to a physical layer carrier 1 and a physical Layer carrier 2
  • the MAC entity Y is mapped to a physical layer carrier 3 and a physical layer carrier 4.
  • an embodiment of the present application proposes a solution for activating and deactivating duplication in a multiple PDCP duplication scenario.
  • the configured PDCP duplication function may be configured based on a data radio bearer (DRB).
  • DRB data radio bearer
  • FIG. 3 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application.
  • the method 200 may be applied to the communication system 100 shown in FIG. 1 and applied to the scenario where CA and DC are combined as shown in FIG. 2 .
  • the method 200 may include the following contents:
  • the terminal device determines the first condition and/or a judgment factor included in the first condition according to first information
  • the terminal device determines the first condition and/or a judgment factor included in the first condition according to first information
  • a part of or all information included in the first information is configured or instructed by a network device; and/or,
  • the part of or all information included in the first information is related information about a current cell or a beam, and/or related information about a current cell or a beam of a neighboring cell or a configured cell).
  • the duplication object includes but is not limited to one of bearer, a data packet, a service, a quality of service (QoS) flow, and a terminal device (UE).
  • bearer a data packet
  • service a quality of service (QoS) flow
  • UE terminal device
  • the duplication object may be for a single bearer or for each bearer; similarly, the duplication object may be for a single data packet or for each data packet: the duplication object may be for a single service or for each service; the duplication object may be for a single QoS flow or for each. QoS flow.
  • a PDCP layer can receive information from a higher layer to indicate 5G QoS indicator (5QI) information and/or. QoS flow information and/or service information corresponding to the data packet.
  • 5QI 5G QoS indicator
  • the reference signal includes but is not limited to at least one of the following: a synchronization signal block (SSB), a channel state information reference signal (CSI-RS), and a sounding reference signal (SRS).
  • SSB synchronization signal block
  • CSI-RS channel state information reference signal
  • SRS sounding reference signal
  • the SSB may also be referred to as a synchronization signal/physical broadcast channel block (SS/PBCH block).
  • SS/PBCH block synchronization signal/physical broadcast channel block
  • the measurement object includes but is not limited to at least one of the following: a reference signal receiving power (RSRP), a reference signal receiving quality (RSRQ), a received signal strength indicator (RSSI), and a signal to interference plus noise ratio (SINR).
  • RSRP reference signal receiving power
  • RSSI received signal strength indicator
  • SINR signal to interference plus noise ratio
  • the synchronization status includes in-sync and out-of-sync.
  • the service type includes but is not limited to at least one of the following: a URLLC service, an industrial Internet of Things service, an Internet of Vehicles service, a time-sensitive network carried service, a vertical industry service, and an enhanced mobile ultra-broadband (eMBB) service.
  • a URLLC service an industrial Internet of Things service
  • an Internet of Vehicles service a time-sensitive network carried service
  • a vertical industry service a time-sensitive network carried service
  • eMBB enhanced mobile ultra-broadband
  • the trigger condition may be start or end of a first service.
  • the trigger condition may be a change of a pattern of the first service.
  • the trigger condition may also periodic trigger.
  • the first service May be one of a URLLC service, an industrial Internet of Things service, an. Internet of Vehicles service, a time-sensitive network carried service, and a vertical industry service.
  • the judgment factors included in the first condition are a reference signal, a measurement object, a duplication object, and a threshold
  • the measurement object is a RSRP
  • the duplication object is a data packet
  • the terminal device determines to active a duplication transmission for this data packet.
  • the terminal device determines to active a duplication transmission for this service, and active the duplication transmission for a data packet corresponding to the service.
  • the terminal device determines to active a duplication transmission for this service, and active the duplication transmission for a data packet corresponding to the service.
  • the terminal device determines to active a duplication transmission for this service, and active the duplication transmission for a data packet corresponding to the service.
  • the terminal device determines to active a duplication transmission for this carrier, and active the duplication transmission for a data packet corresponding to the carrier.
  • the terminal device determines to active a duplication transmission for this service, and active the duplication transmission for a data packet corresponding to the service.
  • the terminal device determines to active a duplication transmission for this carrier, and active the duplication transmission for a data packet corresponding to the carrier.
  • the terminal device determines to active a duplication transmission for this data packet, and active the duplication transmission for this data packet correspondingly.
  • the terminal device determines to active a duplication transmission for this service, and active the duplication transmission for a data packet corresponding to the service.
  • the first condition includes but is not limited to at least one of the following:
  • the first condition includes but is not limited to at least one of the following:
  • the terminal device triggers/activates a PDCP duplication (duplication) transmission according to a channel quality of the carrier.
  • the terminal device triggers/activates the PDCP duplication transmission.
  • the channel quality such as RSRP/RSRQ/RSSI/SINR
  • the threshold is configured by a network device for the terminal device
  • the terminal device triggers/activates a PDCP duplication transmission.
  • the terminal device selects a carrier used to transmit a duplication PDCP PDU according to a carrier usage priority indicated by the network device (the priority may be used to assist the terminal device in determining a carrier used to transmit the duplication PDCP PDU when multiple carriers meet the condition).
  • the terminal device triggers/activates a PDCP duplication transmission. Furthermore, the terminal device selects a carrier used to transmit a duplication PDCP PDU according to a carrier usage priority indicated by the network device (the priority may be used to assist the terminal device in determining a carrier used to transmit the duplication PDCP PDU when multiple carriers meet the condition).
  • the threshold is configured by a network device for the UE
  • the priority of another carrier is greater than a threshold
  • the terminal device selects a carrier used to transmit a duplication PDCP PDU according to a carrier usage priority indicated by the network device (the priority may be used to assist the terminal device in determining a carrier used to transmit the duplication PDCP PDU when multiple carriers meet the condition).
  • first threshold to eighth threshold may be configured by the network device, or may be specified in a protocol.
  • specific values of the above-mentioned first threshold to the eighth threshold, as well as the eleventh threshold and the twelfth threshold may be determined according to actual needs, which is not limited in this application.
  • the first condition is for a cell where the terminal device resides and/or a neighbor cell of the cell where the terminal device resides and/or a configured cell; or, the first condition is for a cell to which the terminal device is connected and/or a neighbor cell of the cell to which the terminal device is connected and/or a configured cell.
  • the configured cell may be a pre-configured cell or a cell configured by the network device.
  • a measurement result of the reference signal may be a measurement result at a physical layer (an LI layer), or a measurement result at a higher layer (L3, for example, an RRC layer, a non-access stratum (NAS)).
  • LI layer physical layer
  • L3 higher layer
  • RRC layer RRC layer
  • NAS non-access stratum
  • the first condition is pre-configured or configured by the network device.
  • the first condition is notified in a broadcast.
  • the first condition is specified in a protocol.
  • the first condition is indicated by a radio resource control (RRC) message.
  • RRC radio resource control
  • it is indicated in an RRC reconfiguration message, or indicated in a dedicated RRC message.
  • the first condition is indicated in a measurement configuration message.
  • the first condition is configured or instructed by a network device (for example, a base station) when the terminal device initially accesses the cell.
  • a network device for example, a base station
  • the first condition is indicated by the network device (tor example, the base station) during a handover process of the terminal device, such as carried in a handover command.
  • the network device such as the base station
  • the first condition is indicated by the network device (for example, the base station) in a reconfiguration message.
  • the terminal device determines whether the first condition is met in a case where a second condition is met.
  • the second condition includes but is not limited to at least one of the following:
  • the above-mentioned ninth threshold value and tenth threshold may be configured by the network device, or may be specified in a protocol. At the same time, specific values of the above-mentioned ninth threshold and the tenth threshold may be determined according to actual needs, which is not limited in this application.
  • the first indication information is carried in a first message, where the first message is one of an RRC message, a media access control control element (MAC CE), and downlink control information (DCI), and is dedicated to indicate the first indication information, or, the first message is a network message including the first information.
  • the first message is one of an RRC message, a media access control control element (MAC CE), and downlink control information (DCI), and is dedicated to indicate the first indication information, or, the first message is a network message including the first information.
  • the second indication information is carried in a second message, where the second message is one of an RRC message, a MAC CF, and DO, and is dedicated to indicate the second indication information or, the second message is a network message including the first information.
  • the terminal device determines whether to perform duplication transmission in a CA and/or DC scenario, and/or, the terminal device determines whether to trigger duplication transmission in a CA and: or the DC scenario; or,
  • step S 210 may specifically be:
  • the terminal device may determine which RLC entity or which RLC entities perform the duplication transmission.
  • the terminal device determines at least one Rif entity used to transmit a duplication based on at least one of channel quality information, a service characteristic, a service priority or a priority of a logical channel or a priority of a bearer or a priority of a carrier, a traffic amount of a bearer or a traffic amount of logical channel, a number of RLC entities used at the same time being less than the first threshold, an attribute of a time-frequency resource, an identifier of a time-frequency resource, a priority of a time-frequency resource, a size of a time-frequency resource, an identifier or a type of a bearer or an established service, an identifier of the service to be transmitted, an identifier of a logical channel to which the service to be transmitted belongs and an identifier of a logical channel group to which the service to be transmitted belongs.
  • the number of RLC entities used at the same time being less than the first threshold may also be the maximum/largest number of RLC entities used at the same time.
  • the maximum/largest number of RLC entities used at the same time refers to at least one of the following: the maximum or largest number of RLC entities that may be used to transmit a duplication at the same time, the maximum or largest number of RLC entities that may be used to transmit a duplication from the same PDCP entity or corresponding to the same hearer at the same time, the maximum or largest number of RLC entities that may be used to transmit a duplication and may be activated at the same time, the maximum or largest number of RLC entities that may be used to transmit a duplication from the same PDCP entity or corresponding to the same bearer and may be activated at the same time, the maximum or largest number of RLC entities that may be used to transmit a duplication from the same core network bearer and may be activated at the same time, and the maximum or largest number of RLC entities that may be used to transmit a duplication from the same core network bearer at the same time.
  • the maximum/largest number of RLC entities used at the same time may be based on a UE, based on a bearer, or based on a core network bearer.
  • the maximum/largest number of RLC entities used at the same time may be active or transmissive (for example, simply two among three activations are used for transmissions). In an implementation, it may be configured by the network, or determined by the UE, or pre-configured. In an implementation, the maximum number of RLC entities activated or used to transmit the duplication for each bearer does not exceed two.
  • the service characteristic may be at least one of a quality of service QoS), a delay, a reliability, a priority, a period, an offset, a packet size, and a packet arrival interval.
  • a PDCP entity of the terminal device transmits, to at least one RLC entity, a data packet that triggers the duplication transmission, and/or the at least one RLC entity among PDCP entities corresponding to the terminal device performs data transmission and/or reception of the data packet that triggers the duplication transmission.
  • a data packet from a PDCP may be transmitted through at least one RLC entity, and the number of the at least one RLC entity may be 1, 2, 3, 4 and etc.
  • the terminal device transmits a data packet or a PDCP PDU on a first carrier, or transmits a data packet or the PDCP PDU or a copy of the PDCP PDU of a duplication on the first carrier, or transmits the data packet or the PDCP PDU on a carrier other than the first carrier, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on a carrier other than the first carrier: where the first carrier is a carrier that transmits the PDCP PDU, or the first carrier is a corresponding carrier when duplication is not used, or a configured specific carrier, or a default carrier, or the first carrier is a carrier carrying an initial configuration or a carrier used for an initial transmission.
  • the configured specific carrier may be a primary carrier, a primary carrier of a master node (MN), and may also be a primary carrier of a secondary node (SN).
  • the primary carrier may be a carrier designated per bearer/PDCP.
  • deactivating duplication transmission using the default carrier activating duplication transmission using the default carrier and/or carriers other than the default carrier.
  • the terminal device determines, according to the first condition and/or the judgment tractor included in the first condition and/or the first information, the first carrier and/or a second carrier used for data transmission/duplication.
  • the terminal device determines, according to the first condition, that the first carrier is used to transmit the data (that is, transmitting non-duplication).
  • the terminal device determines, according to the first condition, that the first carrier is used to transmit the duplication.
  • the terminal device determines, according to the first condition, that the second carrier is used to transmit the data (that is, transmitting non-duplication).
  • the terminal device determines, according to the first condition, that the second carrier is used to transmit the duplication.
  • the terminal device determines, according to the judgment factor included in the first condition, that the first carrier is used to transmit the data (that is, transmitting non-duplication).
  • the terminal device determines, according to the judgment factors included in the first condition, that the first carrier is used to transmit the duplication.
  • the terminal device determines, according to the judgment factors included in the first condition, that the second carrier is used to transmit the data (that is, transmitting non-duplication).
  • the terminal device determines, according to the judgment factors included in the first condition, that the second carrier is used to transmit the duplication.
  • the terminal device determines, according to the first information, that the first carrier is used to transmit the data (that is, transmitting non-duplication).
  • the terminal device determines, according to the first information, that the first carrier is used to transmit the duplication.
  • the terminal device determines, according to the first information, that the second carrier is used to transmit the data (that is, transmitting non-duplication).
  • the terminal device determines, according to the first information, that the second carrier is used to transmit the duplication.
  • the second carrier is a carrier other than the first carrier.
  • the terminal device determines to perform a data or duplication transmission.
  • the information of the first carrier and/or the second carrier may be parameter information or configuration information.
  • the terminal device transmits the data packet or the PDCP PDU on a second carrier, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on the second carrier, or does not transmit the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on the second carrier; or
  • the terminal device when a signal quality of the first carrier is less than a threshold or is reduced, according to the first condition and/or the Judgment factor included in the first condition and/or the first information, transmits the data packet or the PDCP PDU on a second carrier, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on the second carrier; or when the signal quality of the first carrier is less than the threshold or is reduced, according to the first condition and/or the judgment factor included in the first condition and/or the first information, the terminal device transmits the data packet or the PDCP PDU on the first carrier and the second carrier, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on the first carrier and the second carrier; or, when the signal quality of the first carrier is less than the threshold or is reduced, according to the first condition and/or the judgment factor included in the first condition and/or the first information, the terminal device transmits the data packet or the data packet or
  • the transmission of the data packet or the PDCP PDU may be understood as the transmission of a data packet or a PDCP PDU for which the duplication transmission is not activated.
  • the terminal device transmits the data packet or a PDCP PDU on a first RLC entity, or transmits a data packet or the PDCP PDU or a copy of the PDCP PDU of a duplication on the first RLC entity, or transmits the data packet or the PDCP PDU on an RLC entity other than the first RLC entity, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on an RLC entity other than the first RLC entity,
  • the first RLC entity is a corresponding RLC entity when the duplication transmission is not used, or a configured specific RLC entity, Or a default.
  • RLC entity, or the first RLC entity is tin RLC entity for transmitting a PDCP PDU, or an RLC entity carrying an initial configuration or an RLC entity used for an initial transmission.
  • the terminal device determines a first RLC entity and/or a second RLC entity used for data/duplication transmission according to the first condition and/or the judgment factor included in the first condition and/or the first information; or
  • the terminal device transmits the data packet or the PDCP PDU an a second RLC entity, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on a second RLC entity, according to the first condition and/or the judgment factor included in the first condition and/or the first information; or
  • the terminal device when a signal quality of the first RLC entity is less than a threshold or is reduced, transmits the data packet or the PDCP PDU on a second RLC entity, or transmits the data packet or the PDCP PDU or the copy of the PDCP PDU of the duplication on a second RLC entity, according to the first condition and/or the judgment factor comprised in the first condition and/or the first information; or
  • At least one of the following is determined according to a first rule:
  • the terminal device may determine, according to the first rule, to deactivate or not to use the duplication transmission. That is to say, in the embodiment of the present application, the terminal device may not only activate a data duplication and/or the duplication transmission, but also may deactivate or not use the duplication transmission.
  • the first rule is pre-configured or configured by a network device.
  • the first rule is the first condition or a first factor, wherein the first factor comprises at least one of following information: a reference signal, a number of HARD retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, a judgment object, a priority, a channel quality, an identifier of a logical channel, a type of a logical channel, a mode of an RLC entity (such as, an unacknowledged mode (UM) or an acknowledged mode (AM)), an identifier of a bearer, an identifier of a carrier, an identifier of an RLC entity, an identifier of a MAC entity, and a transmission quality.
  • UM unacknowledged mode
  • AM acknowledged mode
  • the first rule may also be the first information.
  • the terminal device activates a data duplication and/or the duplication transmission in the case where the first condition is met; and/or deactivates, by the terminal device, a data duplication and/or the duplication transmission in a case where the first condition is not met.
  • the terminal device starts or restarts a first timer when changing data duplication status and/or the duplication transmission or after a first time duration; or the terminal device starts or restarts a first timer when the terminal device triggers a change of data duplication status and/or the duplication transmission or after a first time duration;
  • the data duplication status or a duplication transmission behavior does not change during a runtime of the first timer, or the data duplication status or a data duplication transmission behavior does not change under a certain condition during a runtime of the first timer.
  • the terminal device in a case where the terminal device activates the data duplication and/or the duplication transmission, the terminal device deactivates the data duplication and or the duplication transmission according to a first timer,
  • the data duplication status or a duplication transmission behavior does not change during a runtime of the first timer, or the data duplication status or a data duplication transmission behavior does not change under a certain condition during a runtime of the first timer.
  • the first timer may also be a time duration or a time period.
  • the terminal device in the case where the terminal device activates the data duplication and/or the duplication transmission, the terminal device starts the first timer until the first timer expires, and/or, deactivates the data duplication and/or the duplication transmission when the first timer expires.
  • the terminal device in the case where the terminal device activates the data duplication and/or the duplication transmission, the terminal device starts the first timer, and before the first tinier expires, if the first condition is met again or third indication information is received, the terminal device restarts the first timer until the first timer expires, and/or, deactivates the data duplication and/or the duplication transmission when the first timer expires, where the third indication information is used for indicating start or restart of the first timer, and is carried in at least one of a broadcast, RRC, a MAC CE, and
  • the terminal device deactivates a data duplication and/or the duplication transmission in the case where the first condition is met; and/or the terminal device activates a data duplication and/or the duplication transmission in a case where the first condition is not met.
  • the terminal device starts or restarts a first timer when changing data duplication status and/or the duplication transmission or after a first time duration; or the terminal device starts or restarts a first timer when the terminal device triggers change of data duplication status and/or the duplication transmission or after a first time duration;
  • the terminal device in a case where the terminal device deactivates the data duplication and/or the duplication transmission, the terminal device activates the data duplication and/or the duplication transmission according to a first timer,
  • the terminal device in the case where the terminal device deactivates the data duplication and/or the duplication transmission, the terminal device starts the first tinier until the first timer expires, and/or, activates the data duplication and/or the duplication transmission when the first timer expires.
  • the terminal device in the case where the terminal device deactivates the data duplication and/or the duplication transmission, the terminal device starts the first timer, and before the first timer expires, if the first: condition is met again or third indication information is received, the terminal device restarts the first timer until the first timer expires, and/or, activates the data duplication and/or the duplication transmission when the first timer expires, where the third indication information is used for indicating start or restart of the first timer, which is carried in at least one of a broadcast, RRC, a MAC CE, and DCI.
  • a start occasion of the first timer may be:
  • the first timer is pre-configured or configured by a network device.
  • the terminal device sends second information in a case of modifying or determining to modify a data duplication and/or the duplication transmission, where the second information is used for indicating a change of data duplication status or a duplication transmission behavior of the terminal device.
  • the second information includes but is not limited to: an RRC message, a MAC CE, and physical layer signaling.
  • the second information is specifically used for indicating:
  • the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is per bearer in the 5 bearers; for another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a part bearers among the 5 bearers (e.g., the bearer 0 and the bearer 1); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a random bearer in the 5 bearers (e.g., the bearer 3); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a specific bearer in the 5 bearers (e.g., the bearer 0).
  • the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is per data packet in the 5 data packets; for another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a part data packets among the 5 data packets (e.g., the data packet 2 and the data packet 3); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a random data packet in the 5 data packets (e.g., the data packet 4); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a specific data packet in the 5 data packets (e.g., the data packet 0).
  • the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is per service in the 5 services; for another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a part services among the 5 services (e.g., the service 2 and the service 3); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a random service in the 5 services (e.g., the service 1); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a specific service in the 5 services (e.g., the service 4).
  • the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is per QoS flow in the 5 QoS flows for another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a part QoS flows among the 5 QoS flows (e.g., the QoS flow 0 and the QoS flow 1); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a random QoS flow in the 5 QoS flows (e.g., the QoS flow 4); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a specific QoS flow in the 5 QoS flows (e.g., the QoS flow 0).
  • the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is per UE in the 5 UEs; for another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a part of the 5 UEs (e.g., the UE 2 and the UE); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a random UE in the 5 UEs (e.g., the UE 4); for yet another example, the granularity of the change of the data duplication status or the duplication transmission behavior of the terminal device is a specific UE in the 5 UEs (e.g., the UE 0).
  • the terminal device after sending the second information to a network device, the terminal device sends third information to the network device, where the third information is used for indicating RLC entity information that needs to be activated or deactivated in a data duplication transmission,
  • the identifier of the bearer needed to be used for transmitting data For example, instructing, to a network device, the identifier of the bearer needed to be used for transmitting data and the identifier of the RLC entity needed to be used for transmitting data.
  • the identifier of the hearer needed to be used for transmitting data instructing, to a network device, the identifier of the hearer needed to be used for transmitting data, the identifier of the RLC entity needed to be used for transmitting data, and the identifier of the RLC entity not needed to be used for transmitting data.
  • instructing, to a network device, the identifier of the logical channel needed to be used for transmitting data instructing, to a network device, the identifier of the logical channel needed to be used for transmitting data.
  • the terminal device receives fourth information from the network device, where the fourth information is used but is not: limited for indicating at least one of: the data duplication status or the duplication transmission behavior of the terminal device, a data transmission behavior of the terminal device to a corresponding RLC entity, the data duplication status, and data duplication transmission information.
  • the data duplication status or the duplication transmission behavior of the terminal device is finally determined by the indication of the fourth information, and the second information is information for assisting duplication activation/deactivation at the terminal.
  • the fourth information is carried by one of RRC message, MAC CE, and DCI.
  • the fourth information includes but is not limited to at least one of: an activation/deactivation instruction, information of a duplication object, an identifier of a bearer, a service identifier, a data packet identifier, QoS flow information, an identifier of an RLC entity, an identifier of a logical channel corresponding to the RLC entity, an identifier of a PDCP entity corresponding to the RLC entity, and an identifier of a MAC entity corresponding to the RLC entity.
  • a network device may notify the terminal device of configured information of the duplication b an RRC reconfiguration message.
  • the information of the duplication includes but is not limited to: information of a duplication object, an identifier of a bearer, a service identifier, an identifier of a PDCP entity corresponding to a bearer of the duplication, an identity of a corresponding RLC entity, a mapping relationship between a PDCP entity and an RLC entity, etc.
  • a network device informs the terminal device that configured initial duplication status is deactivated status through an RRC reconfiguration message, that is, a corresponding bearer or data packet is transmitted through an RLC entity.
  • this RLC entity may be a default RLC entity, e.g., an RLC entity configured when the bearer is established; it may also be an RLC entity indicated in an RRC message, e.g., an identifier of the RLC entity is carried in an RRC message.
  • a terminal device determines whether to perform a duplication transmission, and/or, the terminal device determines whether to trigger a duplication transmission.
  • a PDCP entity of the terminal device transmits, to at least one RLC entity, a data packet that triggers the duplication transmission, and/or, at least one RLC entity among PDCP entities corresponding to the terminal device performs data transmission and: or reception of a data packet that triggers the duplication transmission, so that one PDCP entity may use at least one RLC entity to transmit the duplication, and/or, adopt methods for data duplication and/or duplication transmission with different granularities, thus avoiding using all RLC entities to transmit the duplication during the activation, reducing a waste of resources in the duplication transmission scenario, improving system resource utilization, and ensuring the transmission performance of services such as a URLLC service while ensuring the overall transmission performance of the system.
  • the terminal device may also determine whether to perform a duplication transmission and/or, the terminal device determines whether to trigger a duplication transmission, without relying on the first condition.
  • the terminal device may also determine whether to perform the duplication transmission, and/or, the terminal device determines whether to trigger the duplication transmission.
  • the terminal device when modifying a data duplication and/or the duplication transmission, activates the data replication and/or the duplication transmission according to a second timer.
  • the terminal device when modifying or determines to modify a data duplication and/or the duplication transmission, the terminal device starts or restarts the second timer until the second timer expires, and/or, modifies the data duplication and/or the duplication transmission again when the second timer expires.
  • the terminal device when modifying a data duplication and/or the duplication transmission, starts or restarts the second timer, and before the second timer expires, if the data duplication and/or the duplication transmission changes again or fifth indication information indicating a start or a restart of the second timer is received, the terminal device restarts the second timer until the second timer expires, and/or, modifies the data duplication and/or the duplication transmission again when the second timer expires.
  • the second timer may also be a time duration or time period.
  • the fifth indication information is carried in at least one of a broadcast, RRC, a MAC CE, and DCI.
  • a PDCP entity of the terminal device transmits, to at least one RLC entity, a data packet that triggers the duplication transmission, and/or at least one RLC entity among PDCP entities corresponding to the terminal device performs data transmission and/or reception of a data packet that triggers the duplication transmission.
  • the terminal device actives a data duplication and/or a duplication transmission according to a second timer.
  • a PDCP entity of the terminal device transmits, to at least one RLC entity, a data packet that triggers the duplication transmission, and: or at least one RLC entity among PDCP entities corresponding to the terminal device performs data transmission and/or reception of a data packet that triggers the duplication transmission, so that one PDCP entity may use at least one RLC entity or more than two RLC entities to transmit the duplication, and/or, adopt methods for data duplication and/or duplication transmission with different granularities, thus avoiding using all RLC entities to transmit the duplication during the activation, reducing a waste of resources in the duplication transmission scenario, improving system resource utilization, and ensuring the transmission performance of services such as a UREIC service while ensuring the overall transmission performance of the system.
  • the data duplication status or a duplication transmission behavior does not change during a runtime of the second timer, or the data duplication status or a data duplication transmission behavior does not change under a certain condition during a runtime of the second timer.
  • a start occasion of the second timer may be:
  • FIG. 4 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application.
  • the method 300 may be applied to the communication system 100 shown in FIG. 1 and applied to the scenario where CA and DC are combined as shown in FIG. 2 .
  • the method. 300 may include the following contents:
  • S 310 a network device receives second information from a terminal device, where the second information is used for indicating, a change of data duplication status or a duplication transmission behavior of the terminal device.
  • the second information includes but is not limited to: an RRC message, a MAC CE, and physical layer signaling.
  • the network device receives third information from the terminal device, where the third information is used for indicating RLC entity information that needs to be activated or deactivated in a duplication transmission,
  • the third information may be received after the reception of the second information, or may be received together with the second information.
  • the network device sends fourth information to the terminal device, where the fourth information is used but is not limited for indicating at least one of: the data duplication status or the duplication transmission behavior of the terminal device, a data transmission behavior of the terminal device to a corresponding RLC entity, the data duplication status, and data duplication transmission information.
  • the network device determines and sends the fourth information based on the second information, or, after receiving the second information and the third information, the network device determines and sends the fourth information based on the second information and the third information.
  • the fourth information includes but is not limited to at least one of following information:
  • the network device sends first configuration information to the terminal device, where the first configuration information is used for configuring a first timer, and the first timer is used for deactivating a data duplication and/or a duplication transmission at the peer end, and/or, the first timer is used for activating a data duplication and/or a duplication transmission at the peer end.
  • the network device sends first information to the terminal device, where the first information is used for indicating a trigger condition of a change of a data duplication, used for deactivating a data duplication and/or a duplication transmission, and/or, used for activating a data duplication and/or a duplication transmission.
  • the first information includes but is not limited to at least one of following information: a reference signal, a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition and a judgment object.
  • the first information includes but is not limited to at least one of following information: a reference signal, a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, a judgment object, a priority, a channel quality, an identifier of a logical channel, a type of a logical channel, a mode of an RLC entity, an identifier of a bearer, an identifier of a carrier, an identifier of an RLC entity, an identifier of a MAC entity, and a transmission quality.
  • a reference signal a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, a judgment object, a priority,
  • the duplication object includes but is not limited to one of: a bearer, a data packet, a service, a quality of service QoS flow, and a terminal device.
  • the reference signal includes but is not limited to at least one of: an SSB, a CSI-RS, and an SRS.
  • the measurement object includes but is not limited to at least one of: ran RSRP, an RSRQ, an RSSI, and an SINR.
  • the service type includes but is not limited to at least one of: a URLLC service, an industrial Internet of Things service, an Internet of Vehicles service, a time-sensitive network carried service, a vertical industry service, and an eMBB service.
  • the trigger condition includes but is not limited to at least one of:
  • the trigger condition includes but is not limited to at least one of:
  • the trigger condition is ter a cell where the terminal device resides and/or a neighbor cell of the cell where the terminal device resides and/or a configured cell; or, the first condition is for a cell to which the terminal device is connected and/or a neighbor cell of the cell to which the terminal device is connected and/or a configured cell.
  • the network device may determine data duplication status or a duplication transmission behavior of a terminal device based on second information sent by the terminal device, and indicate the terminal device at least one of: a data transmission behavior of the terminal device to a corresponding RLC entity, the data duplication status, and data duplication transmission information.
  • a PDCP entity of the terminal device transmits, to at least one RLC entity (indicated by the network device), a data packet that triggers the duplication transmission, and/or at least one RLC entity (indicated by the network device) among PDCP entities corresponding to the terminal device performs data transmission and/or reception of a data packet that triggers the duplication transmission, so that one PDCP entity may use at least one or more than two RLC entities to transmit the duplication, and/or, adopt methods for data duplication and/or duplication transmission with different granularities, thus avoiding using all RLC entities to transmit the duplication during the activation, reducing a waste of resources in the duplication transmission scenario, improving system resource utilization, and ensuring the transmission performance of services such as a URLLC service while ensuring the overall transmission performance of the system.
  • FIG. 5 is a schematic block diagram of a terminal device 400 according to an embodiment of the present application.
  • the terminal device 400 may be applied to a scenario where CA and DC are combined, as shown in FIG. 5 , the terminal device 400 includes:
  • the processing unit 410 is further configured to determine the first condition and/or a judgment factor included in the first condition according to first information, where the first information includes at least one of the following information: a reference signal, a number of HAM) retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, and a judgment object.
  • first information includes at least one of the following information: a reference signal, a number of HAM) retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, and a judgment object.
  • the processing unit 410 is further configured to determine the first condition and/or a judgment factor included in the first condition according to first information
  • a part of or all information included in the first information is configured or instructed by a network device; and/or,
  • the duplication object includes one of a bearer, a data packet, a service, a QoS flow, and a terminal device.
  • the reference signal includes at least one of the following: an SSB, a CSI-RS, and an SRS.
  • the measurement Object includes at least one of the following: an RSRP, an RSRQ, an RSSI, and an SINR.
  • the service type includes at least one of the following; a URLLC service, an industrial Internet. of Things service, an Internet of Vehicles service, a time-sensitive network carried service, a vertical industry service, and an eMBB service.
  • the first condition includes at least one of the following: a measured value of the reference signal being greater than a first threshold; the measured value of the reference signal being equal to the first threshold; a number of times that the measured value of the reference signal is continuously greater than or equal to the first threshold being greater than a second threshold; the number of times that the measured value of the reference signal is continuously greater than or equal to the first threshold being equal to the second threshold: a total number of times that the measured value of the reference signal is greater than or equal to the first threshold being greater than a third threshold; the total number of times that the measured value of the reference signal is greater than or equal to the first threshold being equal to the third threshold; a number of HARQ retransmissions being greater than a fourth threshold; the number of HARQ retransmissions being equal to the fourth threshold; a number of ARQ retransmissions being greater than a fifth threshold; the number of ARQ retransmissions being equal to the fifth threshold; a number of received out-of-sync indications being
  • the first condition includes at least one of the following: a measured value of the reference signal being less than a first threshold; the measured value of the reference signal being greater than the first threshold; the measured value of the reference signal being equal to the first threshold; a number of times that the measured value of the reference signal is continuously less than or equal to the first threshold being greater than a second threshold; the number of times that the measured value of the reference signal is continuously less than or equal to the first threshold being equal to the second threshold; the number of times that the measured value of the reference signal is continuously greater than or equal to the first threshold being greater than the second threshold; the number of times that the measured value of the reference signal is continuously greater than or equal to the first threshold being equal to the second threshold; a total number of times that the measured value of the reference signal is less than or equal to the first threshold being greater than a third threshold; the total number of times that the measured value of the reference signal is less than or equal to the first threshold being equal to the third threshold; the total number of times that the measured value of the reference signal is greater than or equal
  • the first condition is for a cell where the terminal device resides and/or a neighbor cell of the cell where the terminal device resides and/or a configured cell; or, the first condition is for a cell to which the terminal device is connected and/or a neighbor cell of the cell to which the terminal device is connected and/or a configured cell.
  • the processing unit 410 is further configured to determine whether the first condition is met in a case where a second condition is met.
  • the second condition includes at least one of the following:
  • the first indication information is carried in a first message, where the first message is one of an RRC message, a. MAC CE and DO, and is dedicated to indicate the first indication information, or, the first message is a network message including the first information.
  • the second indication information is carried in a second message, where the second message is one of an RRC message, a MAC CE, and DCI, and is dedicated to indicate the second indication information, or, the second message is a network message including the first information.
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • the terminal device 400 further includes:
  • the processing unit 410 is further configured to determine, according to the first condition and/or the judgment factor included in the first condition and/or the first information, the first carrier and/or a second carrier used for data transmission/duplication.
  • the processing unit 410 is further configured to determine, according to the first condition and/or the judgment factor included in the first condition and/or the first information and through comparison of information of the first carrier and/or a second carrier, to perform a data or duplication transmission.
  • the communicating unit 420 is specifically configured to:
  • the communicating unit 420 is specifically configured to:
  • the terminal device 400 further includes:
  • the processing unit 410 is further configured to determine a first RUC entity and/or a second RLC entity used for data duplication transmission according to the first condition and/or the judgment factor included in the first condition and/or the first information.
  • the processing unit 410 is further configured to determine to transmit data or a duplication, according to the first condition and/or the judgment factor included in the first condition and or the first information and through comparison of information of the first RLC entity and/or a second RLC entity.
  • the communicating unit 420 is specifically configured to:
  • the communicating unit 420 is specifically configured to;
  • processing unit 410 is further configured to:
  • the first rule is pre-configured or configured by a network device.
  • the first rule is the first condition or a first factor, wherein the first factor comprises at least one of following information: a reference signal, a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, a judgment object, a priority, a channel quality, an identifier of a logical channel, a type of a logical channel, a mode of an RLC entity, an identifier of a bearer, an identifier of a carrier, an identifier of an RLC entity, an identifier of a MAC entity, and a transmission quality.
  • a reference signal a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition
  • processing unit 410 is specifically configured to:
  • the processing unit 410 is further configured to: start or restart a first tinier when changing data duplication status and/or the duplication transmission or after a first time duration; or start or restart a first timer when the terminal device triggers a change of data duplication status and/or the duplication transmission or after a first time duration; where the data duplication status or a duplication transmission behavior does not change during a runtime of the first timer, or the data duplication status or a data duplication transmission behavior does not change under a certain condition during a runtime of the first tinier.
  • the processing unit 410 is further configured to: in a case of activating the data duplication and/or the duplication transmission, deactivate the data duplication and/or the duplication transmission according to a first timer, where the data duplication status or a duplication transmission behavior does not change during a runtime of the first: timer, or the data duplication status or a data duplication transmission behavior does not change under a certain condition during a runtime of the first timer.
  • the processing unit 410 is further configured to: in the case of activating the data duplication and/or the duplication transmission, start the first timer until the first timer expires, and/or, deactivate the data duplication and/or the duplication transmission when the first timer expires.
  • the processing unit 410 is specifically configured to: in the case of activating the data duplication and/or the duplication transmission, start the first timer, and before the first tinier expires, if the first condition is met again or third indication information is received, restart the first timer until the first timer expires, and/or, deactivate the data duplication and/or the duplication transmission when the first timer expires.
  • the processing unit 410 is specifically configured to: deactivate a data duplication and/or the duplication transmission in the case where the first condition is met; and/or activate a data duplication and/or the duplication transmission in a case where the first condition is not met.
  • processing unit 410 is further configured to:
  • processing unit 410 is further configured to:
  • processing unit 410 is specifically configured to:
  • processing unit 410 is specifically configured to:
  • processing unit 410 is further configured to:
  • the first time is pre-configured or configured by a network device.
  • the terminal device 400 further includes:
  • the second information is specifically used for indicating:
  • the communicating unit 420 is further configured to send third information, where the third information is used for indicating RLC entity information that needs to be activated or deactivated in a data duplication transmission,
  • the communicating unit 420 is further configured to receive fourth information, where the fourth information is used for indicating at least one of:
  • the fourth information includes at least one of:
  • the first condition is pre-configured or configured by a network device.
  • the first condition is obtained by at least one of following manners:
  • terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively configured to implement a corresponding process of the terminal device in the method 200 shown in FIG. 3 .
  • the terminal device 400 may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively configured to implement a corresponding process of the terminal device in the method 200 shown in FIG. 3 .
  • details are not repeated herein,
  • FIG. 6 is a schematic block diagram of a network device 500 according to an embodiment of the present application.
  • the network device 500 may be applied to a scenario where CA and DC are combined, as shown in FIG. 4 , the network device 500 includes:
  • the communicating unit 510 is further configured to receive third information from the peer end, where the third information is used for indicating RLC entity information that needs to be activated or deactivated in a duplication transmission,
  • the communicating unit 510 is further configured to send fourth information, where the fourth information is used for indicating at least one of:
  • the fourth information includes at least one of following information:
  • the communicating unit 510 is further configured to send first configuration information, where the first configuration information is used for configuring a first tinier, and the first timer is used for deactivating a data duplication and/or a duplication transmission at the peer end, and/or, the first timer is used for activating a data duplication and/or a duplication transmission at the peer end.
  • communicating unit 510 is further configured to send first information, where the first information is used for configuring a trigger condition of a change of a data duplication, used for deactivating a data duplication and/or a duplication transmission, and/or, used for activating a data duplication and/or a duplication transmission.
  • the first information includes at least one of following information: a reference signal, a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition and a judgment object.
  • the first information includes at least one of following information: a reference signal, a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, a judgment object, a priority, a channel quality, an identifier of a logical channel, a type of a logical channel, a mode of an RLC entity, an identifier of a bearer, an identifier of a carrier, an identifier of an RLC entity, an identifier of a MAC entity, and a transmission quality.
  • a reference signal a number of HARQ retransmissions, a number of ARQ retransmissions, a measurement object, synchronization status, a duplication object, a threshold, a service type, service status, service information to be transmitted, a trigger condition, a judgment object, a priority, a channel quality,
  • the duplication object includes one of a bearer, a data packet, a service, a quality of service QoS flow, and a terminal device.
  • the reference signal includes at least one of: an SSB, CSI-RS, and an SRS.
  • the measurement object includes at least one of, an RSRP, air RSRQ, an RSSI, and an SINR.
  • the service type includes at least one of a ultra-reliable and low latency communication URLLC service, an industrial Internet of Things service, an Internet of Vehicles service, a time-sensitive network carried service, a vertical industry service, and an enhanced mobile ultra-broadband eMBB service.
  • a ultra-reliable and low latency communication URLLC service an industrial Internet of Things service, an Internet of Vehicles service, a time-sensitive network carried service, a vertical industry service, and an enhanced mobile ultra-broadband eMBB service.
  • the trigger condition includes at least one of:
  • the trigger condition includes at least one of:
  • the trigger condition is for a cell where the peer end resides and/or a neighbor cell of the cell where the peer end resides and/or a configured cell; or, the first condition is for a cell to which the peer end is connected and/or a neighbor cell of the cell to which the peer end is connected and/or a configured cell.
  • the network device 500 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are respectively configured to implement a corresponding process of the network device the method 300 shown in FIG. 21 .
  • the network device 500 may correspond to the network device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the network device 500 are respectively configured to implement a corresponding process of the network device the method 300 shown in FIG. 21 .
  • details are not repeated herein.
  • FIG. 7 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application.
  • the communication device 600 shown in FIG. 7 including: a processor 610 that can call and run a computer program from a memory to implement the method according to the embodiment of the present application.
  • the communication device 600 may further include a memory 620 .
  • the processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiment of the present application.
  • the memory 620 may be a separate device independent of the processor 610 or integrated in the processor 610 .
  • the communication device 600 may further include a transceiver 630 , and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, it may send information or data to other devices or receive information or data sent by other devices.
  • the transceiver 630 may include a transmitter and a receiver.
  • the transceiver 630 may further include antennas, and the number of antennas may be one or multiple.
  • the communication device 600 may, specifically, be a network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented h the network device in each method according to an embodiment of the present application, which will not be repeated herein for brevity.
  • the communication device 600 may, specifically, be a mobile terminal device according to an embodiment of the present application, and the communication device 600 may implement the corresponding processes implemented by the mobile terminal/terminal device in each method according to an embodiment of the present application, which will not be repeated herein for brevity.
  • FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 700 shown in FIG. 8 including: a processor 710 , and the processor 710 can call and run a computer program from a memory to implement the method according to the embodiment of the present application.
  • the chip 700 may further include a memory 720 .
  • the processor 710 can call and run a computer program from the memory 720 to implement the method according to the embodiment of the present application.
  • the memory 720 may be a separate device independent of the processor 710 or integrated in the processor 710 .
  • the chip 700 may further include an input interface 730 .
  • the processor 710 can control the input interface 730 to communicate with other devices or chips, and specifically, can obtain information or data sent by other devices or chips.
  • the chip 700 may further include an output interface 740 .
  • the processor 710 can control the output interface 740 to communicate with other devices or chips, and specifically, to output information or data to other devices or chips.
  • the chip can be applied to the network device according to the embodiment of the present application, and the Chip can implement the corresponding processes implemented by the network device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the chip can be applied to the mobile terminal/terminal device according to the embodiment of the present application, and the chip can implement the corresponding processes implemented by the mobile terminal/terminal device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the chip mentioned in the embodiment of the present application may also be referred to as a system-level chip, a system chip, a chip system, a system-on-chip chip or the like.
  • FIG. 9 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown m FIG. 9 , the communication system 800 including: a terminal device 810 and a network device 820 .
  • the terminal device 810 can be configured to implement corresponding functions implemented by the terminal device in the above methods
  • the network device 820 can be configured to implement corresponding functions implemented by the network device in the above methods, which will not be repeated herein for brevity.
  • the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capabilities.
  • each step of the above method embodiment may be completed by an integrated logic circuit of hardware in the processor or instructions in the form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, or discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the disclosed methods, steps and logical block diagrams in the embodiment of the present application may be implemented or executed.
  • the general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in connection with the embodiment of the present application can be directly embodied as being executed by a hardware decoding processor or being executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium that is mature in the field such as a random access memory, a flash memory, a read-only memory a programmable read-only memory or an electrically erasable programmable memory, a register.
  • the storage medium is located in, the memory, and the processor reads the information in the memory and completes the steps in the above method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a nonvolatile memory, or may include both the volatile and the nonvolatile memory.
  • the nonvolatile memory may be a read-only memory (ROM), a programmable ROM (PROM), an erasable PROM (EPROM), an electrically erasable EPROM (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM), which serves as an external cache.
  • RAM random access memory
  • SRAM static RAM
  • DRAM dynamic RAM
  • SDRAM synchronous DRAM
  • DDR SDRAM double data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM synchlink DRAM
  • DR RAM direct rambus RAM
  • the memory in the embodiment of the present application can also be a static RAM (SRAM), a dynamic RAM (DRAM), a synchronous DRAM (SDRAM), a double data rate SDRAM (DDR. SDRAM), an enhanced SDRAM (ESDRAM), a synch link DRAM (SLDRAM), a Direct Rambus RAM (DR RAM), etc. That is, the memory in the embodiment of the present application is intended to include, but is not limited to, these and any other suitable types of memories.
  • SRAM static RAM
  • DRAM dynamic RAM
  • SDRAM synchronous DRAM
  • DDR. SDRAM double data rate SDRAM
  • ESDRAM enhanced SDRAM
  • SLDRAM synch link DRAM
  • DR RAM Direct Rambus RAM
  • the embodiment of the present application also provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium can be applied to the network device in the embodiment of the present application, and the computer program enables a computer to execute the corresponding flows implemented by the network device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiment of the present application, and the computer program enables a computer to execute the corresponding flows implemented b the mobile terminal: terminal device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the embodiment of the present application also provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the network device according to the embodiment of the present application, and the computer program instruction enables a computer to execute the corresponding flows implemented by the network device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the computer program product can be applied to the mobile terminal/terminal device according to the embodiment of the present application, and the computer program instruction enables a computer to execute the corresponding flows implemented by the mobile terminal/terminal device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the embodiment of the present application also provides a computer program.
  • the computer program can be applied to the network device according to the embodiment of the present application, and when the computer program runs on a computer, it enables a computer to execute the corresponding flows implemented by the network device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the computer program can be applied to the mobile terminal/terminal device according to the embodiment of the present application, and when the computer program runs on a computer, it enables a computer to execute the corresponding flows implemented by the mobile terminal/terminal device in each method according to the embodiment of the present application, which will not be repeated herein for brevity.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logic function division, in actual implementation, there may be other division methods, for example, a plurality of units or components may be combined or integrated into another system, or some features may be ignored or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be in electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separate, the components displayed as units may be or may not be physical units, i.e., may be located in one place or may be distributed over a plurality of network units. Some or all of the units can be selected as required to achieve the purpose of the solution of the present embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer readable storage medium.
  • a computer readable storage medium which is stored in a storage medium and includes several instructions to cause a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to various embodiments of the present application.
  • the above storage media include: a U disk, a removable hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk and other media that can store program codes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
US17/340,872 2018-12-11 2021-06-07 Wireless communication method, terminal device and network device Active 2039-11-21 US11877182B2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
CNPCT/CN2018/120292 2018-12-11
PCT/CN2018/120292 WO2020118519A1 (zh) 2018-12-11 2018-12-11 无线通信方法、终端设备和网络设备
WOPCT/CN2018/120292 2018-12-11
PCT/CN2019/072345 WO2020118865A1 (zh) 2018-12-11 2019-01-18 无线通信方法、终端设备和网络设备
CNPCT/CN2019/072345 2019-01-18
WOPCT/CN2019/072345 2019-01-18
PCT/CN2019/082780 WO2020118991A1 (zh) 2018-12-11 2019-04-15 无线通信方法、终端设备和网络设备

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/082780 Continuation WO2020118991A1 (zh) 2018-12-11 2019-04-15 无线通信方法、终端设备和网络设备

Publications (2)

Publication Number Publication Date
US20210297901A1 US20210297901A1 (en) 2021-09-23
US11877182B2 true US11877182B2 (en) 2024-01-16

Family

ID=71076217

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/340,872 Active 2039-11-21 US11877182B2 (en) 2018-12-11 2021-06-07 Wireless communication method, terminal device and network device

Country Status (4)

Country Link
US (1) US11877182B2 (zh)
EP (1) EP3883317A4 (zh)
CN (2) CN113170459A (zh)
WO (2) WO2020118519A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020197237A1 (en) * 2019-03-25 2020-10-01 Lg Electronics Inc. Conditional supplementary link activation and transmission
US11678314B2 (en) * 2019-06-24 2023-06-13 Qualcomm Incorporated Packet duplication carrier enhancements
IL286821B2 (en) * 2021-09-29 2023-04-01 Elbit Systems C4I And Cyber Ltd System and method for wireless transmission of information
CN114189938B (zh) * 2021-12-14 2024-06-28 中国联合网络通信集团有限公司 载波确定方法、通信装置及存储介质
CN117560780A (zh) * 2022-08-01 2024-02-13 大唐移动通信设备有限公司 数据处理方法及装置
CN115997464A (zh) * 2022-10-28 2023-04-21 北京小米移动软件有限公司 一种传输配置信息的方法、装置及可读存储介质

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106465315A (zh) 2014-05-09 2017-02-22 高通股份有限公司 Ue自主的无线资源配置扩展
CN107078871A (zh) 2014-07-17 2017-08-18 高通股份有限公司 用于启用分量载波以进行多载波无线通信的技术
WO2017191952A1 (ko) 2016-05-03 2017-11-09 엘지전자(주) 무선 통신 시스템에서 데이터를 송수신하기 위한 방법 및 이를 지원하는 장치
WO2018059557A1 (en) 2016-09-30 2018-04-05 Huawei Technologies Co., Ltd. Ultra reliable low latency connection support in radio access networks
CN108401484A (zh) 2017-08-21 2018-08-14 北京小米移动软件有限公司 数据传输方法及装置
US20180279168A1 (en) 2017-03-24 2018-09-27 Mediatek Inc. User equipment and methods for pdcp duplication in 5g ran
US20180309660A1 (en) 2017-04-24 2018-10-25 Motorola Mobility Llc Duplicating pdcp pdus for a radio bearer
US20180324641A1 (en) * 2017-05-05 2018-11-08 Asustek Computer Inc. Method and apparatus of transmitting data duplication in a wireless communication system
WO2018202198A1 (zh) 2017-05-05 2018-11-08 中兴通讯股份有限公司 数据包复制功能的控制方法和装置、通信设备及存储介质
US20200119976A1 (en) * 2017-06-16 2020-04-16 Huawei Technologies Co., Ltd. Method for handling radio link failure, terminal device, and network device
US20200162366A1 (en) * 2018-11-16 2020-05-21 Huawei Technologies Co., Ltd. System and method for transmission redundancy in wireless communications
US20210006954A1 (en) * 2018-03-28 2021-01-07 Zte Corporation Information transmission and reception method and apparatus
US20210126746A1 (en) * 2018-08-08 2021-04-29 Fujitsu Limited Configuration and/or activation method for duplication transmission, method for duplication transmission and apparatuses thereof
US20210152296A1 (en) * 2017-06-15 2021-05-20 China Academy Of Telecommunications Technology Configuration for duplication transmission and duplication transmission method and device

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106465315A (zh) 2014-05-09 2017-02-22 高通股份有限公司 Ue自主的无线资源配置扩展
CN107078871A (zh) 2014-07-17 2017-08-18 高通股份有限公司 用于启用分量载波以进行多载波无线通信的技术
WO2017191952A1 (ko) 2016-05-03 2017-11-09 엘지전자(주) 무선 통신 시스템에서 데이터를 송수신하기 위한 방법 및 이를 지원하는 장치
WO2018059557A1 (en) 2016-09-30 2018-04-05 Huawei Technologies Co., Ltd. Ultra reliable low latency connection support in radio access networks
US20180279168A1 (en) 2017-03-24 2018-09-27 Mediatek Inc. User equipment and methods for pdcp duplication in 5g ran
US20180309660A1 (en) 2017-04-24 2018-10-25 Motorola Mobility Llc Duplicating pdcp pdus for a radio bearer
WO2018200565A1 (en) 2017-04-24 2018-11-01 Motorola Mobility Llc Duplicating pdcp pdus for a radio bearer
US20180324641A1 (en) * 2017-05-05 2018-11-08 Asustek Computer Inc. Method and apparatus of transmitting data duplication in a wireless communication system
WO2018202198A1 (zh) 2017-05-05 2018-11-08 中兴通讯股份有限公司 数据包复制功能的控制方法和装置、通信设备及存储介质
CN108810990A (zh) 2017-05-05 2018-11-13 中兴通讯股份有限公司 一种数据包复制功能的控制方法和装置、通信设备
CN108811175A (zh) 2017-05-05 2018-11-13 华硕电脑股份有限公司 无线通信系统中传送数据复制的方法和设备
US20210152296A1 (en) * 2017-06-15 2021-05-20 China Academy Of Telecommunications Technology Configuration for duplication transmission and duplication transmission method and device
US20200119976A1 (en) * 2017-06-16 2020-04-16 Huawei Technologies Co., Ltd. Method for handling radio link failure, terminal device, and network device
CN108401484A (zh) 2017-08-21 2018-08-14 北京小米移动软件有限公司 数据传输方法及装置
US20210006954A1 (en) * 2018-03-28 2021-01-07 Zte Corporation Information transmission and reception method and apparatus
US20210126746A1 (en) * 2018-08-08 2021-04-29 Fujitsu Limited Configuration and/or activation method for duplication transmission, method for duplication transmission and apparatuses thereof
US20200162366A1 (en) * 2018-11-16 2020-05-21 Huawei Technologies Co., Ltd. System and method for transmission redundancy in wireless communications

Non-Patent Citations (15)

* Cited by examiner, † Cited by third party
Title
3GPP TS 38.321 V16.5.0 (Jun. 2021); 3rd Generation Partnership Project; Technical Specification Group Radio Access Network: NR; Medium Access Control (MAC) protocol specification(Release 16).
3GPP TS 38.323 V16.4.0 (Jun. 2021); 3rd Generation Partnership Project; Technical Specification Group Radio Access Network; NR; Packet Data Convergence Protocol (PDCP) specification(Release 16).
Huawei, Hisilicon. "Activating and Deactivating Packet Duplication, R2-1703529" 3GPP TSG-RAN2 #97bis Spokane, Washington, USA, Apr. 7, 2017(Apr. 7, 2017), part 2.
International Search Report (ISR) dated May 29, 2019 for Application No. PCT/CN2018/120292.
International Search Report (ISR) dated Sep. 27, 2019 for Application No. PCT/CN2019/082780.
International Search Report (ISR) dated Sep. 9, 2019 for Application No. PCT/CN2019/072345.
LG Electronics Inc. "Packet duplication with implicit SCell deactivation and BWP switching." 3GPP TSG-RAN WG2 NR Ad Hoc #3. R2-1801281, Jan. 12, 2018(Jan. 12, 2018), entire document.
Nokia et al. "Resource Efficient PDCP Duplication", 3GPP TSG-RAN WG2 Meeting #104 R2-1817582, Nov. 16, 2018(Nov. 16, 2018), section 1 and 2.3.
The EESR of corresponding European application No. 19896571.7, dated Nov. 25, 2021.
The first Office Action of corresponding Chinese application No. 202210158570.8, dated Mar. 11, 2023.
The First Office Action of corresponding European application No. 19896571.7, dated Aug. 4, 2022.
The Notice of Rejection of corresponding Chinese application No. 202210158570.8, dated Aug. 8, 2023.
The second Office Action of corresponding Chinese application No. 202210158570.8, dated May 26, 2023.
The second Office Action of corresponding European application No. 19896571.7, dated Jan. 26, 2023.
The third Office Action of corresponding European application No. 19896571.7, dated Jul. 20, 2023.

Also Published As

Publication number Publication date
CN114374478A (zh) 2022-04-19
CN113170459A (zh) 2021-07-23
WO2020118865A1 (zh) 2020-06-18
EP3883317A4 (en) 2021-12-29
WO2020118519A1 (zh) 2020-06-18
US20210297901A1 (en) 2021-09-23
EP3883317A1 (en) 2021-09-22

Similar Documents

Publication Publication Date Title
US11877182B2 (en) Wireless communication method, terminal device and network device
US11399361B2 (en) V2X sidelink communication
CN113133032B (zh) 无线通信方法、终端设备和网络设备
WO2020147131A1 (zh) 无线通信方法、终端设备和网络设备
US11956658B2 (en) Wireless communication method, terminal device, and network device
WO2020118991A1 (zh) 无线通信方法、终端设备和网络设备
US11546044B2 (en) Wireless communication method, terminal device and network device
WO2020077643A1 (zh) 无线通信方法和终端设备
WO2021003624A1 (zh) Bwp切换方法和终端设备
WO2020087292A1 (zh) 无线通信方法、终端设备和网络设备
WO2020186532A1 (zh) 无线通信方法、终端设备和网络设备
WO2021208888A1 (zh) 一种通信方法和装置
WO2022027489A1 (zh) 邻区测量的方法、终端设备和网络设备
US20200374887A1 (en) Channel transmission method and apparatus, and computer storage medium
CN116057998A (zh) 一种通信方法、设备和装置
WO2021046812A1 (zh) 无线通信方法、终端设备和网络设备
CN115804241A (zh) 无线通信方法、网络节点以及设备
CN117750456B (zh) 小区切换方法、设备、存储介质、芯片系统及产品
WO2023060585A1 (zh) 无线通信的方法、终端设备和网络设备
WO2024124368A1 (zh) 侧行通信方法和设备
WO2023123229A1 (zh) 无线通信的方法、终端设备和网络设备
WO2024065137A1 (zh) 配置信息获取方法, 配置信息转发方法以及终端设备
WO2023141760A1 (zh) 无线通信的方法、终端设备和网络设备
WO2022021293A1 (zh) 信道侦听的方法及设备
US20230362872A1 (en) Wireless communication method, terminal device, and network device

Legal Events

Date Code Title Description
AS Assignment

Owner name: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TANG, HAI;REEL/FRAME:056457/0982

Effective date: 20210528

FEPP Fee payment procedure

Free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: RESPONSE TO NON-FINAL OFFICE ACTION ENTERED AND FORWARDED TO EXAMINER

STPP Information on status: patent application and granting procedure in general

Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS

STPP Information on status: patent application and granting procedure in general

Free format text: NOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONS

STPP Information on status: patent application and granting procedure in general

Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED

STCF Information on status: patent grant

Free format text: PATENTED CASE